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<h3><a name="SECTION0016338000000000000000"></a><a name="optparse-querying-manipulating-option-parser"></a>
<br>
14.3.3.8 Querying and manipulating your option parser
</h3>

<p>
Sometimes, it's useful to poke around your option parser and see what's
there.  OptionParser provides a couple of methods to help you out:
<dl>
<dt><strong><code>has_option(opt_str)</code></strong></dt>
<dd>Return true if the OptionParser has an option with 
option string <code>opt_str</code> (e.g., <code>"-q"</code> or <code>"-verbose"</code>).
</dd>
<dt><strong><code>get_option(opt_str)</code></strong></dt>
<dd>Returns the Option instance with the option string <code>opt_str</code>, or
<code>None</code> if no options have that option string.
</dd>
<dt><strong><code>remove_option(opt_str)</code></strong></dt>
<dd>If the OptionParser has an option corresponding to <code>opt_str</code>,
that option is removed.  If that option provided any other
option strings, all of those option strings become invalid.
If <code>opt_str</code> does not occur in any option belonging to this
OptionParser, raises ValueError.
</dd>
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<span class="release-info">Release 2.5.1, documentation updated on 18th April, 2007.</span>
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